关于平面向量基本定理推论的思考

2016-05-14 11:39侯雪阳王锐
数学学习与研究 2016年7期
关键词:王锐结论定理

侯雪阳 王锐

通过平面向量基本定理,我们可以推出:P在AB所确定的直线上的充分必要条件是:任意直线外一点O,满足OP=λOA+μOB(λ+μ=1).向量中的许多问题经过变形用此结论会变得简单许多.

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